Final answer:
The ONLY old world monkey in Europe, located between Spain and Morocco, is the Gibraltar Barbary macaques.
Step-by-step explanation:
The ONLY old world monkey in Europe that is located between Spain and Morocco is the Gibraltar Barbary macaques. This is the correct answer to the student's question, making option 1) correct.
These monkeys are indeed a species of Old World monkeys, which are typically found in Africa and Asia and distinguished from New World monkeys by features including non-prehensile tails and downward-pointed noses. The Gibraltar Barbary macaques are a unique population and the only wild monkeys that can be found in Europe.